How much does it cost to fix boiler error code Safety lockout LED?

Typical repair cost for the boiler Safety lockout LED fault is £120-250 including labour.

Safety lockout LED Emergency

Boiler Fault Code Safety lockout LED

Also written as SAFETYLOCKOUTLED — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code Safety lockout LED appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected that it is running too hot and has automatically turned itself off to prevent damage or potential danger. (As reported on Halstead Finest Gold)

Pick your boiler brand for the Safety lockout LED fix

Halstead Safety lockout LED 1 model

Source

Information for the Safety lockout LED fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026